<!DOCTYPE html>
<html>
 <head>
  <title>CSS Test: CSSStyleDeclaration Interface</title>
  <link rel="author" title="Bear Travis" href="mailto:betravis@adobe.com">
  <link rel="help" href="http://www.w3.org/TR/cssom/#the-cssstyledeclaration-interface">
  <meta name="flags" content="dom">
  <meta name="assert" content="CSSStyleDeclaration is properly initialized and can be modified through its interface">
  <script src="/resources/testharness.js" type="text/javascript"></script>
  <script src="/resources/testharnessreport.js" type="text/javascript"></script>
  <style id="styleElement">
      #test { color: green; }
  </style>
  <script id="metadata_cache">/*
{
  "CSSStyleDeclaration_accessible": {
    "help": ["http://www.w3.org/TR/cssom/#the-cssstylesheet-interface",
             "http://www.w3.org/TR/cssom/#the-cssrulelist-sequence",
             "http://www.w3.org/TR/cssom/#css-style-rule-rule-set"],
    "assert": "Can access CSSStyleDeclaration through CSSOM"
  },
  "read": { "assert": "initial property values are correct" },
  "csstext_write": {
    "assert": ["setting cssText adds new properties",
               "setting cssText removes existing properties",
               "properties set through cssText are reflected in the computed style"]
  },
  "property_write": {
    "assert": ["setProperty adds new properties",
               "properties set through setProperty are reflected in the computed style"]
  }
}
*/</script>
 </head>
 <body>
 <noscript>Test not run - javascript required.</noscript>
 <div id="log"></div>
 <div id="test"></div>
 <script type="text/javascript">
    var styleElement = document.getElementById("styleElement");
    var styleDeclaration;
    test(function() {
       assert_own_property(styleElement, "sheet");
       assert_own_property(styleElement.sheet, "cssRules");
       assert_true(styleElement.sheet.cssRules instanceof CSSRuleList);
       assert_true(styleElement.sheet.cssRules.item(0) instanceof CSSStyleRule);
       declaration = styleElement.sheet.cssRules.item(0).style;
     }, "CSSStyleDeclaration_accessible",
     {  help: [ "http://www.w3.org/TR/cssom/#the-cssstylesheet-interface",
                "http://www.w3.org/TR/cssom/#the-cssrulelist-sequence",
                "http://www.w3.org/TR/cssom/#css-style-rule-rule-set" ],
        assert: "Can access CSSStyleDeclaration through CSSOM" });

    test(function() {        
        assert_regexp_match(declaration.cssText, /color: green;\s*/);
        assert_equals(declaration.getPropertyValue("color"), "green");
    }, "read",
    { assert: "initial property values are correct" });

    test(function() {
        declaration.cssText = "margin-left: 10px; padding-left: 10px;";
        assert_regexp_match(declaration.cssText, /margin-left: 10px;\s+padding-left: 10px;\s+/);
        assert_equals(declaration.length, 2);
        assert_equals(declaration.item(0), "margin-left");
        assert_equals(declaration.item(1), "padding-left");
        assert_equals(declaration.getPropertyValue("margin-left"), "10px");
        assert_equals(declaration.getPropertyValue("padding-left"), "10px");
        
        var computedStyle = window.getComputedStyle(document.getElementById("test"));
        assert_equals(computedStyle.getPropertyValue("margin-left"), "10px");
        assert_equals(computedStyle.getPropertyValue("padding-left"), "10px");
    }, "csstext_write",
    { assert: [ "setting cssText adds new properties",
                "setting cssText removes existing properties",
                "properties set through cssText are reflected in the computed style"] });

    test(function() {
        while(declaration.length > 0)
            declaration.removeProperty(declaration.item(0));
        declaration.setProperty("margin-left", "15px");
        declaration.setProperty("padding-left", "15px");
        
        assert_equals(declaration.length, 2);
        assert_equals(declaration.item(0), "margin-left");
        assert_equals(declaration.item(1), "padding-left");
        assert_equals(declaration.getPropertyValue("margin-left"), "15px");
        assert_equals(declaration.getPropertyValue("padding-left"), "15px");
        
        var computedStyle = window.getComputedStyle(document.getElementById("test"));
        assert_equals(computedStyle.getPropertyValue("margin-left"), "15px");
        assert_equals(computedStyle.getPropertyValue("padding-left"), "15px");
    }, "property_write",
    { assert: [ "setProperty adds new properties", 
                "properties set through setProperty are reflected in the computed style"] });    
 </script>
 </body>
</html>